Description
The Von Duprin 33ADT 4 US28 is a UL-listed panic exit device engineered for single and double doors with mullions. Built to ANSI A156.3 2014 Grade 1 standards, it delivers reliable emergency egress for high-traffic commercial and institutional facilities. The grooved mechanism case design suits demanding applications requiring durability and consistent performance.
This rim-mounted device accommodates door sizes from 2'4" to 4' and accepts multiple electric options including latchbolt monitoring, alarm kits, and electric latch retraction. It ships with standard hex-key dogging and deadlocking 3/4" latch bolt. As an authorized Von Duprin dealer, E.D. Locks provides expert configuration assistance and fast shipping over $450. Contact our specialists at sales@edlocks.com or 1-877-207-6067 to verify compatibility and discuss your specific exit requirements.
Specifications
- Grade: ANSI A156.3 2014 Grade 1
- Device Lengths: 2'4" to 3' (711-914mm) and 2'10" to 4' (864-1219mm)
- Latch Bolt: Deadlocking, 3/4" (19mm) throw
- Center Case: 8 3/16" x 2 13/32" x 1 9/16" (208mm x 62mm x 40mm)
- Mechanism Case: 2 1/4" x 2 1/4" (57mm x 57mm)
- Centerline Height: 39 13/16" (1011mm)
- Pushbar Projection: 3 13/16" neutral, 3 1/16" depressed
- Strike: 1439 Dull Black
- Dogging: Hex key standard; CD cylinder or LD options available
- Electric Options: LX, RX, RX2, SS, EL, ALK, PN, GBK
- Fasteners: Sex bolts 1 3/4" to 2 1/4" (44-57mm)
